A double explosion, in which a dying star split, then recombined, may be a long-hypothesized but never-before-seen "superkilonova." ...

A massive star may have burst, leaving behind two dense, dead cores, which then collided and caused another explosion ...

A research team led by Caltech may have just discovered the first-ever superkilonova, a cosmic phenomenon in which a star ...

The two stars, one dead and one circling the drain, are collectively called V Sagittae. They orbit one another every 12.3 hours and are getting closer with each pass. Eventually, they’ll smash into ...

A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...

Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a gravitational wave signal detected on Aug. 18, 2025.

A case of astronomical fratricide is doomed to end in a fiery supernova bright enough to be spotted from Earth during the day ...

It's just a matter of time before a dead star reignites in space 3,000 light years away. And you'll be able to see it with the naked eye despite the distance. Astronomers say when the explosion ...